public override void OnInvoke(MethodInterceptionArgs args)
{
Guid userId = args.GetAttributeValue <Guid>("userId");
Guid fieldId = args.GetAttributeValue <Guid>("fieldId");
if (!((ServiceBase)args.Instance)._authManager.IsUserHasRights(userId, fieldId))
{
throw new UnauthorizedAccessException($"user with id {userId} does not have access to field");
}
base.OnInvoke(args);
}